Color mixing head for a photographic enlarging apparatus



FIG. 1 is a front elevational view of a color mixing head for a photographic enlarging apparatus showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof, the side opposite being substantially plain and unornamented;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a left side elevational view thereof. 

The ornamental design for a color mixing head for a photographic enlarging apparatus, as shown and described. 